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All results from a given calculation for C4H8O2 (Ethyl acetate)

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-307.565684
Energy at 298.15K 
HF Energy-307.565684
Nuclear repulsion energy241.530933
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3123 3123 9.94 62.08 0.67 0.80
2 A' 3071 3071 28.85 77.07 0.69 0.81
3 A' 3007 3007 22.28 93.29 0.05 0.09
4 A' 3001 3001 3.88 218.29 0.01 0.01
5 A' 2991 2991 23.15 189.95 0.01 0.01
6 A' 1733 1733 252.91 8.50 0.24 0.38
7 A' 1466 1466 4.97 1.09 0.75 0.86
8 A' 1446 1446 2.49 6.80 0.75 0.86
9 A' 1419 1419 13.87 6.10 0.58 0.73
10 A' 1379 1379 4.91 2.16 0.68 0.81
11 A' 1351 1351 27.81 0.24 0.64 0.78
12 A' 1338 1338 17.85 1.55 0.42 0.59
13 A' 1212 1212 359.86 1.66 0.57 0.73
14 A' 1105 1105 4.87 7.39 0.10 0.18
15 A' 1027 1027 137.30 2.47 0.71 0.83
16 A' 982 982 13.33 1.19 0.11 0.19
17 A' 919 919 15.85 2.28 0.09 0.17
18 A' 828 828 8.90 7.41 0.21 0.35
19 A' 619 619 3.72 8.89 0.20 0.34
20 A' 421 421 0.97 0.47 0.58 0.74
21 A' 359 359 7.83 4.30 0.22 0.35
22 A' 190 190 5.38 0.43 0.53 0.70
23 A" 3081 3081 47.39 16.37 0.75 0.86
24 A" 3074 3074 8.03 57.92 0.75 0.86
25 A" 3050 3050 4.67 88.89 0.75 0.86
26 A" 1436 1436 5.65 5.20 0.75 0.86
27 A" 1426 1426 7.05 4.39 0.75 0.86
28 A" 1255 1255 0.83 3.85 0.75 0.86
29 A" 1141 1141 2.84 0.58 0.75 0.86
30 A" 1023 1023 4.05 0.09 0.75 0.86
31 A" 794 794 0.66 0.25 0.75 0.86
32 A" 588 588 3.66 0.35 0.75 0.86
33 A" 256 256 0.86 0.02 0.75 0.86
34 A" 150 150 4.44 0.04 0.75 0.86
35 A" 62 62 0.44 0.22 0.75 0.86
36 A" 27 27 0.28 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25174.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25174.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/aug-cc-pVDZ
ABC
0.27685 0.06858 0.05674

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.326 0.035 0.000
C2 -0.919 -0.523 0.000
O3 0.000 0.486 0.000
O4 -0.625 -1.706 0.000
C5 1.398 0.067 0.000
C6 2.251 1.324 0.000
H7 -3.044 -0.793 0.000
H8 -2.479 0.669 0.888
H9 -2.479 0.669 -0.888
H10 1.575 -0.556 0.891
H11 1.575 -0.556 -0.891
H12 3.316 1.041 0.000
H13 2.055 1.935 -0.895
H14 2.055 1.935 0.895

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51282.36882.43353.72414.75461.09661.10161.10164.04444.04445.73094.85814.8581
C21.51281.36441.21932.39153.66882.14222.15452.15452.64872.64874.51493.96083.9608
O32.36881.36442.27901.45982.40203.30202.64002.64002.08802.08803.36252.66922.6692
O42.43351.21932.27902.69054.17752.58553.14103.14102.63732.63734.80424.60904.6090
C53.72412.39151.45982.69051.51854.52524.02354.02351.10161.10162.15092.17302.1730
C64.75463.66882.40204.17751.51855.70284.85754.85752.18762.18761.10221.10131.1013
H71.09662.14223.30202.58554.52525.70281.80141.80144.71024.71026.61985.85225.8522
H81.10162.15452.64003.14104.02354.85751.80141.77554.23554.59385.87535.03414.7080
H91.10162.15452.64003.14104.02354.85751.80141.77554.59384.23555.87534.70805.0341
H104.04442.64872.08802.63731.10162.18764.71024.23554.59381.78172.52533.10282.5377
H114.04442.64872.08802.63731.10162.18764.71024.59384.23551.78172.52532.53773.1028
H125.73094.51493.36254.80422.15091.10226.61985.87535.87532.52532.52531.78661.7866
H134.85813.96082.66924.60902.17301.10135.85225.03414.70803.10282.53771.78661.7891
H144.85813.96082.66924.60902.17301.10135.85224.70805.03412.53773.10281.78661.7891

picture of Ethyl acetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 110.726 C1 C2 O4 125.584
C2 C1 H7 109.318 C2 C1 H8 109.997
C2 C1 H9 109.997 C2 O3 C5 115.691
O3 C2 O4 123.689 O3 C5 C6 107.497
O3 C5 H10 108.407 O3 C5 H11 108.407
C5 C6 H12 109.287 C5 C6 H13 111.079
C5 C6 H14 111.079 C6 C5 H10 112.235
C6 C5 H11 112.235 H7 C1 H8 110.060
H7 C1 H9 110.060 H8 C1 H9 107.390
H10 C5 H11 107.937 H12 C6 H13 108.344
H12 C6 H14 108.344 H13 C6 H14 108.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 C 0.444      
3 O -0.538      
4 O -0.509      
5 C 1.098      
6 C 0.589      
7 H -0.166      
8 H -0.113      
9 H -0.113      
10 H -0.347      
11 H -0.347      
12 H -0.167      
13 H -0.176      
14 H -0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.364 2.043 0.000 2.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.872 -1.052 0.000
y -1.052 -43.360 0.000
z 0.000 0.000 -35.932
Traceless
 xyz
x 8.774 -1.052 0.000
y -1.052 -9.958 0.000
z 0.000 0.000 1.184
Polar
3z2-r22.367
x2-y212.488
xy-1.052
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.070 0.657 0.000
y 0.657 9.364 0.000
z 0.000 0.000 7.242


<r2> (average value of r2) Å2
<r2> 204.523
(<r2>)1/2 14.301